Merge pull request #64 from clojerl/clojerl-0.6.0

Bump clojerl to 0.6.0

Author: jfacorro

rebar.config

@@ -1,5 +1,5 @@
 { deps
-, [ {clojerl, "0.5.1"}
+, [ {clojerl, "0.6.0"}
   , {hiccup,  {git, "https://github.com/clojerl/hiccup.git", {branch, "clojerl"}}}
   , {lager,   "3.7.0"}
   , {cowboy,  "2.6.3"}